One day, Tony open an online shop ,he sell his product laptop backpack to Jack .

Tony: Hi, our shop new arrival some trendy backpack,if you are interested,come to vist our shop and buy one.

Jack : Sorry, I don’t need.

Tony: Why you don’t need,if you buy a trendy backpack to go out,people will think you are very tasteful!

Jack: well, if you can make the computer think I have a good taste,I will buy.

Tony: A computer is not a people,how it can think you are tasteful?

Jack: I stay at home and play with computer every moment, if I buy a backpack,why don’t give the computer to see?